Fatal error: Uncaught Error: Undefined constant "WSDL_CACHE_NONE" in C:\xampp\htdocs\alldaya\vendor\googleads\googleads-php-lib\src\Google\Api\Ads\Common\Lib\AdsUser.php:232 Stack trace: #0 C:\xampp\htdocs\alldaya\vendor\googleads\googleads-php-lib\src\Google\Api\Ads\Dfp\Lib\DfpUser.php(142): AdsUser->LoadSettings('C:\\xampp\\htdocs...', 'v201605', 'https://ads.goo...', 'C:\\xampp\\htdocs...', 'C:\\xampp\\htdocs...') #1 C:\xampp\htdocs\alldaya\vendor\googleads\googleads-php-lib\examples\Dfp\v201511\UserService\CreateUsers.php(43): DfpUser->__construct() #2 {main} thrown in C:\xampp\htdocs\alldaya\vendor\googleads\googleads-php-lib\src\Google\Api\Ads\Common\Lib\AdsUser.php on line 232